CN104360181B - Fault Quick Diagnosis method when traction substation prepared auto restart fails - Google Patents
Fault Quick Diagnosis method when traction substation prepared auto restart fails Download PDFInfo
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- CN104360181B CN104360181B CN201410524097.6A CN201410524097A CN104360181B CN 104360181 B CN104360181 B CN 104360181B CN 201410524097 A CN201410524097 A CN 201410524097A CN 104360181 B CN104360181 B CN 104360181B
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Abstract
The invention discloses the Fault Quick Diagnosis method during failure of traction substation prepared auto restart, comprise the following steps（a）Read the definite value and the state of switch of main transformer measure and control device；（b）Determine the current method of operation of traction substation；（c）Read traction substation and haul oneself willingly into step under the current method of operation；（d）Judge whether each operating result hauled oneself willingly into step is consistent with the current state of equipment one by one, it is determined that the reason for causing to haul oneself willingly into unsuccessfully.The present invention use the above method, can quickly and accurately lock failure generation position, improve malfunction elimination efficiency, be advantageous to traction substation normally, efficiently run.
Description
Technical field
The present invention relates to traction substation security monitoring and comprehensive automation field, and in particular to traction substation prepared auto restart
Fault Quick Diagnosis method during failure.
Background technology
Traction substation is the house substation of electric propulsion, the electric energy that it sends regional power system, according to electric power
Draw and electric current and the different of voltage are required, be changed into the electric energy suitable for electric propulsion, be then sent to railway line overhead respectively
The contact net of erection, powered for electric locomotive, or be sent to the electric power system needed for the urban transportations such as underground railway, for ground ferroelectricity
Motor-car or electric car power supply, because traction substation carries the vital task of uninterrupted power supply, therefore it is required that with dual power supply,
Double main transformers fixations are standby, and have automatic switching function.Because spare power automatic switching system is related to substantial amounts of switch and other machines
Electric equipment, therefore fault rate is higher, and the situation of prepared auto restart failure usually occurs.When there is prepared auto restart failure, operating personnel
It can only often be judged by experience, and relatively large deviation may also occur in micro-judgment, and then influence the failure of prepared auto restart failure
Exclude.For this reason, it may be necessary to a kind of systematization, the diagnostic method of standardization, failure during failing to prepared auto restart are accomplished accurate, quick
Ground positions, and improves fault removal efficiency.
The content of the invention
It is an object of the invention to provide Fault Quick Diagnosis method during a kind of failure of traction substation prepared auto restart, solves
When traction substation prepared auto restart fails at present, failure can not be made and fast and accurately judge, influence the exclusion efficiency of failure,
And then it can not ensure that traction substation is normal, the problem of efficiently running.
The present invention to achieve the above object, is realized using following technical scheme：Event when traction substation prepared auto restart fails
Hinder fast diagnosis method, comprise the following steps：
（a）Read the definite value and the state of switch of main transformer measure and control device；
（b）Determine the current method of operation of traction substation；
（c）Read traction substation and haul oneself willingly into step under the current method of operation；
（d）Judge whether each operating result hauled oneself willingly into step is consistent with the current state of equipment one by one, it is determined that causing
The reason for hauling oneself willingly into unsuccessfully.
In this programme, step（c）It is very crucial, why to read traction substation hauling oneself willingly under the current method of operation
Step, it is because the step of hauling oneself willingly into of current main transformer measure and control device is externally sightless, the final result hauled oneself willingly into can only be known,
Success, otherwise failure, and the process entirely hauled oneself willingly into can not be known so that, can only basis when there is the problem of hauling oneself willingly into unsuccessfully
Micro-judgment, so often result in deviation.Therefore, present inventor has found by research, although main transformer measure and control device
It is externally invisible to haul oneself willingly into step, but is available with a kind of small tool, its generation is hauled oneself willingly into step, this is hauled oneself willingly into step and become with traction
Logic is identical for hauling oneself willingly into performed by electricity, it is achieved thereby that the whole transparence for hauling oneself willingly into process, passes through the small tool, Neng Gouqing
Chu, it is intuitive to see the time that every step is hauled oneself willingly into, what operation execution is, interval time of operation is how many etc., this wound
The accident analysis when thinking of new property fails to traction substation, especially prepared auto restart has highly important effect, and it can make
The thing visualization of virtual execution, in conjunction with the judgment step of whole system, prepared auto restart failure failure is made accurate, quick
Ground judges, so as to targetedly fix a breakdown, this is completely without this to open in current traction substation prepared auto restart
The method of opening up property is exactly that this area is required at present.As for referred to herein as small tool, its implementation can have it is a variety of, this
Easily realized for the technical staff of software field, it is also no longer excessive herein to repeat.
This programme by above-mentioned troubleshooting step, make clear by the reason for can failing to current traction substation prepared auto restart
Chu, accurately judge, because the definite value of main transformer measure and control device and the state of switch can be drawn like clockwork, so as to true
Determine the currently the only method of operation of traction substation, and step is hauled oneself willingly into by what the method for operation knew traction substation, further according to
Operating result in step comes whether failure judgement goes out in the step with whether the current state of equipment is consistent, if be consistent, after
It is continuous to judge that otherwise failure appears in the step in next step, by this method, failure when can fail to prepared auto restart accomplish standard,
Fast and accurately judge, improve malfunction elimination efficiency.
Further, the step（a）In main transformer measure and control device include 1# main transformers measure and control device and the observing and controlling of 2# main transformers and fill
Put, the switch motion time of 1# main transformers measure and control device and 2# main transformer measure and control devices, haul oneself willingly into setting, haul oneself willingly into combined floodgate logical AND from congenial
Lock logic definite value is identical.
Further, the step（b）The method of operation of middle traction substation include four kinds, be respectively the method for operation one,
The method of operation two, the method for operation three and the method for operation four.
Further, the particular state of the method for operation one is：This side inlet wire is entered by electricity, this side main transformer operation, offside
Line, offside main transformer are standby；
The particular state of the method for operation two is：This side inlet wire is by electricity, and the operation of offside main transformer, offside inlet wire, this side main transformer are standby
With；
The particular state of the method for operation three is：Offside inlet wire is by electricity, and this side main transformer operation, this side inlet wire, offside main transformer are standby
With；
The particular state of the method for operation four is：Offside inlet wire is by electricity, and the operation of offside main transformer, this side inlet wire, this side main transformer are standby
With.
Further, when 1# main transformer measure and control devices identify that the current method of operation of traction substation is the method for operation one
When, traction substation is performed by the method for operation one and hauls oneself willingly into logic, and accordingly, 2# main transformer measure and control devices will identify that traction substation
The current method of operation is the method for operation four, and traction substation is performed by the method for operation four and hauls oneself willingly into logic；When the observing and controlling of 1# main transformers fills
Put and identify the traction substation current method of operation when being the method for operation two, traction substation is performed by the method for operation two and hauled oneself willingly into
Logic, accordingly, 2# main transformer measure and control devices will identify that the current method of operation of traction substation is the method for operation three, and traction becomes
Electric institute is performed by the method for operation three hauls oneself willingly into logic.
Further, the step（d）Specific operation process be：
（d1）Reported when 1# main transformers measure and control device and haul oneself willingly into failure, then from the first step for hauling oneself willingly into step of 2# main transformer measure and control devices
Start, judge whether be consistent with the current state of equipment per single stepping, if be not consistent, failure appears in the step；It is no
Then continue to judge next step；
（d2）The execution operation for hauling oneself willingly into step when 2# main transformer measure and control devices are all is consistent with current state, then from 1# main transformers
The first step for hauling oneself willingly into step of measure and control device starts, and judges whether be consistent with the current state of equipment per single stepping successively, such as
Fruit is not consistent, then failure appears in the step；Otherwise continue to judge next step
The present invention compared with prior art, has advantages below and beneficial effect：The present invention is according to main transformer measure and control device
The state of definite value and switch, with reference to hauling oneself willingly into step table, while it can also be reported according to event and remote signalling conjugates information, it is quick, accurate
The position that ground locking failure occurs, improves malfunction elimination efficiency, and this has the meaning of reality, adopted for traction substation
After this method, in general operating personnel can quickly and accurately determine abort situation, without specialty personnel, greatly
Malfunction elimination difficulty is reduced, is advantageous to that traction substation is normal, efficiently runs.
Brief description of the drawings
Fig. 1 is traction substation main wiring diagram；
Fig. 2 is the diagnostic flow chart of the present invention.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
Embodiment：
Fig. 1 show traction substation main wiring diagram, and each switch, 1# master are devised according to the definite value of main transformer measure and control device
Become the switch motion time of measure and control device and 2# main transformer measure and control devices, haul oneself willingly into setting, haul oneself willingly into combined floodgate logical AND and haul oneself willingly into separating brake logic
Definite value is identical, and the function of hauling oneself willingly into of traction substation is cooperated, altogether by 1# main transformers measure and control device and 2# main transformers measure and control device
With completion, main transformer measure and control device can identify the current method of operation of traction substation, therefore, this reality according to different conditions
Apply example and the method for operation of traction substation be defined as four kinds, be respectively the method for operation one, the method for operation two, the method for operation three with
And the method for operation four, the state of the method for operation one are：This side inlet wire is standby by electricity, this side main transformer operation, offside inlet wire, offside main transformer
With；The state of the method for operation two is：This side inlet wire is standby by electricity, the operation of offside main transformer, offside inlet wire, this side main transformer；Operation side
The state of formula three is：Offside inlet wire is standby by electricity, this side main transformer operation, this side inlet wire, offside main transformer；The state of the method for operation four
For：Offside inlet wire is standby by electricity, the operation of offside main transformer, this side inlet wire, this side main transformer.When 1# main transformer measure and control devices identify traction
The current method of operation of electric substation is method of operation a period of time, and traction substation is performed by the method for operation one and hauls oneself willingly into logic, accordingly,
2# main transformer measure and control devices will identify that the method for operation four, and traction substation is performed by the method for operation four and hauls oneself willingly into logic；Similarly, 1# is worked as
When main transformer measure and control device identifies the method for operation two, traction substation is performed by the method for operation two and hauls oneself willingly into logic, accordingly, 2# master
Become measure and control device and will identify that the method for operation three, traction substation is performed by the method for operation three and hauls oneself willingly into logic.Table 1 show difference
Definite value and the traction substation under on off state the method for operation.
The method of operation of table 1 judges
Explanation：
1）Working method has display in device liquid crystal, tool software and the telemetry interface on backstage.
2）" stand-by heat ", which is meant that, refers to that the equipment has possessed service condition, but the equipment is not yet powered；This is connected to set
There was only a cut-off point in standby each side；And relay protection, automatics and control power supply meet the state of equipment service requirement.
Corresponding two kinds of failures under every kind of method of operation of traction substation, it is specifically this corresponding side inlet wire of the method for operation one
Decompression and this side main transformer failure, this corresponding side inlet wire decompression of the method for operation two and offside main transformer failure, the method for operation three are corresponding originally
Side main transformer failure and offside inlet wire decompression, the corresponding offside inlet wire decompression of the method for operation four and offside main transformer failure.Therefore, by sentencing
The failure of disconnected main transformer measure and control device, in conjunction with the state of switch, the method for operation of traction substation can also be determined.
As shown in Fig. 2 the fault diagnosis flow scheme of the present invention is：
（a）Read the definite value and the state of switch of main transformer measure and control device；
（b）Determine the current method of operation of traction substation；
（c）Read traction substation and haul oneself willingly into step under the current method of operation；
（d）Judge whether each operating result hauled oneself willingly into step is consistent with the current state of equipment one by one, it is determined that causing
The reason for hauling oneself willingly into unsuccessfully.
This method is illustrated with reference to specific example.
During certain experiment, non electrical quantity tripping operation occurs for 1# main transformers, because scene separates without 3QS bridges, should be according to anticipation
The lateral 1# sides of 2# carry out down array, but actually 1# main transformers measure and control device reports " main transformer hauls oneself willingly into failure ", and tester can not
Learn the reason for this time hauling oneself willingly into unsuccessfully.
Below, we using the present invention to be hauled oneself willingly into unsuccessfully to this reason for diagnose.
First, according to the definite value and the position of the switch of 1# main transformers measure and control device and 2# main transformer measure and control devices, and table 1 is combined, can
The method of operation for judging 2# main transformer measure and control devices is mode one, and the method for operation of 1# main transformer measure and control devices is mode four, then
The step of hauling oneself willingly into of 1# main transformers measure and control device and 2# main transformer measure and control devices can be drawn respectively, it is specific as follows：
1# main transformer measure and control devices to haul oneself willingly into step as follows：
Haul oneself willingly into step number：1
Action attributes：Read_KR
Haul oneself willingly into object：BYQC_ZTNL_KR (haul oneself willingly into contact open into);Inspection is opened into conjunction state
Time delay：40000
Success Flag：0
Haul oneself willingly into step number：2
Action attributes：Read_KR
Haul oneself willingly into object：BYQC_7QF_HW_KR (A phases capacitor close position open into);Inspection is opened into isloation state
Time delay：2000
Success Flag：1
Haul oneself willingly into step number：3
Action attributes：Read_KR
Haul oneself willingly into object：BYQC_8QF_HW_KR (B phases capacitor close position open into);Inspection is opened into isloation state
Time delay：2000
Success Flag：1
Haul oneself willingly into step number：4
Action attributes：ZT_CZ
Haul oneself willingly into object：BYQC_1QS (inlet wire separates);Control is closed a floodgate
Time delay：18000
Success Flag：0
Haul oneself willingly into step number：5
Action attributes：Read_KR
Haul oneself willingly into object：BYQC_BC_YY_KR;Inspection is opened into conjunction state
Time delay：3600
Success Flag：0
Haul oneself willingly into step number：6
Action attributes：Read_KR
Haul oneself willingly into object：BYQC_BC_ZBGZ_KR (this side press off into)；Inspection is opened into isloation state
Time delay：120
Success Flag：1
Haul oneself willingly into step number：7
Action attributes：Read_KR
Haul oneself willingly into object：BYQC_7QF_HW_KR (A phases capacitor close position open into)；Inspection is opened into isloation state
Time delay：2000
Success Flag：1
Haul oneself willingly into step number：8
Action attributes：Read_KR
Haul oneself willingly into object：BYQC_8QF_HW_KR (B phases capacitor close position open into)；Inspection is opened into isloation state
Time delay：2000
Success Flag：1
Haul oneself willingly into step number：9
Action attributes：ZT_CZ
Haul oneself willingly into object：BYQC_1QF (high-pressure side breaker)；Control is closed a floodgate
Time delay：2000
Success Flag：0
Haul oneself willingly into step number：10
Action attributes：ZT_CZ
Haul oneself willingly into object：BYQC_2QF (low-pressure side α phases breaker)；Control is closed a floodgate
Time delay：2000
Success Flag：0
Haul oneself willingly into step number：11
Action attributes：KC_Relay
Haul oneself willingly into object：BYQC_ZTNL_KC (hauls oneself willingly into contact to output)；Order is outputed in transmission
Time delay：3600
Success Flag：1
Haul oneself willingly into step number：12
Action attributes：KC_Relay
Haul oneself willingly into object：BYQC_ZTNL_KC (hauls oneself willingly into contact to output)；Order is outputed in withdrawal
Time delay：12
Success Flag：0
2# main transformer measure and control devices to haul oneself willingly into step as follows：
Haul oneself willingly into step number：1
Action attributes：KG_STAUS
Haul oneself willingly into object：BYQC_2QF (low-pressure side α phases breaker)；Control separating brake
Time delay：2000
Success Flag：0
Haul oneself willingly into step number：2
Action attributes：KG_STAUS
Haul oneself willingly into object：BYQC_1QF (high-pressure side breaker)；Control separating brake
Time delay：2000
Success Flag：0
Haul oneself willingly into step number：3
Action attributes：KC_Relay
Haul oneself willingly into object：BYQC_ZTNL_KC (hauls oneself willingly into contact to output)；Order is outputed in transmission
Time delay：3600
Success Flag：1
Haul oneself willingly into step number：4
Action attributes：KC_Relay
Haul oneself willingly into object：BYQC_ZTNL_KC (hauls oneself willingly into contact to output)；Order is outputed in withdrawal
Time delay：12
Success Flag：0
Haul oneself willingly into step number：5
Action attributes：Read_KR
Haul oneself willingly into object：BYQC_ZTNL_KR (haul oneself willingly into contact open into)；Inspection is opened into conjunction state
Time delay：40000
Success Flag：0
Haul oneself willingly into above in step, each object has the attribute mark of oneself, and different attributes represents the difference to object
Operation, above is referred to the implication that represents of four kinds of action attributes as：ZT_CZ：Haul oneself willingly into operation；KG_STAUS：Whether on off state
In place；Read_KR：Reading is opened into signal；KC_Relay：Output relay.Haul oneself willingly into the order that step number represents step, time delay
Unit be ms（Millisecond）.
To find out from the step of hauling oneself willingly into of 2# main transformer measure and control devices, the first step is a point 2QF breakers, from the point of view of history alarm, 2#
Do not occur the remote signalling of relevant 2QF points of position behind the report of transformer tripping, on the other hand from the point of view of the alarm of complete history, behind
Control 2QF can be found and become the remote signalling closed, can illustrate that 2QF is in point position this moment, therefore, hauls oneself willingly into and proceeds to second step；Second
Step is a point 1QF breakers, identical with judging the method for 2QF circuit-breaker status, it is possible to determine that now 1QF is similarly in a point position, because
This goes to the 3rd step；3rd step is to haul oneself willingly into contact to output, and the step sends to haul oneself willingly into 1# main transformer measure and control devices outputs order, and
The first step for hauling oneself willingly into step of 1# main transformer measure and control devices is to read to haul oneself willingly into contact and open into, time delay 40000ms, if super
When be not detected by and haul oneself willingly into contact and open into signal, then 1# main transformer measure and control devices can be caused to haul oneself willingly into failure.From the point of view of history alarm, 2# master
Become after " pressure release " tripping operation occurs, be ready for starting certainly into after when 1# main transformer measure and control devices detect that " offside main transformer failure " is opened
Throw, wait offside to haul oneself willingly into the signal of outputing of contact, but the signal does not occur, 1# main transformers measure and control device from " hauling oneself willingly into ready " to
" hauling oneself willingly into failure ", time interval are about 40000ms, and the first step for hauling oneself willingly into step of this and 1# main transformer measure and control devices is identical
, that is to say, that the 1# main transformers measure and control device and contact of hauling oneself willingly into for being not detected by that 2# main transformer measure and control devices send is opened into signal, therefore
It was determined that the contact of hauling oneself willingly into that the reason for causing 1# main transformer measure and control devices to be hauled oneself willingly into unsuccessfully is probably 2# main transformer measure and control devices is opened into letter
Number do not send, or 1# main transformer measure and control devices open it is problematic into signal receiving channel, at the scene, can targetedly from this two
Aspect, which is started with, carries out malfunction elimination.
The history alarm mentioned in the present embodiment refers to the various operation notes of traction substation and hauls oneself willingly into process etc., leads to
History alarm is crossed it can be seen that whether the time of execution operation and operation succeed, history alarm can be by checking from the background.For
Personnel easy to operation can know clearly the step of hauling oneself willingly into, and inventor, which devises main transformer measure and control device and hauls oneself willingly into step, calculates work
Tool, the instrument, which can generate, hauls oneself willingly into step, and generate haul oneself willingly into step and true main transformer measure and control device to haul oneself willingly into step identical,
Making entirely to haul oneself willingly into process realizes visualization, improves the operability of fault diagnosis.The main transformer measure and control device hauls oneself willingly into step meter
Calculation instrument is easily achieved in general programmer, software in itself nor the present invention protection point, here, just no longer
Excessive introduction is done to the specific design process of the instrument.
Failure when the present embodiment fails by using the above method to traction substation prepared auto restart diagnoses, and passes through sight
Examine the state of switch and combine and haul oneself willingly into step table, while may also be combined with event report and remote signalling displacement information progress comprehensive analysis,
The position that failure occurs quickly and accurately is locked, improves malfunction elimination efficiency, this has reality for traction substation
Meaning, after this method, in general operating personnel can quickly and accurately determine abort situation, without specialty people
Member, significantly reduces malfunction elimination difficulty, is advantageous to that traction substation is normal, efficiently runs.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not done to the present invention, it is every according to
Any simply modification, the equivalent variations made according to the technical spirit of the present invention to above example, each fall within the protection of the present invention
Within the scope of.
Claims (3)
- Fault Quick Diagnosis method when 1. traction substation prepared auto restart fails, it is characterised in that：Comprise the following steps：（a）Read the definite value and the state of switch of main transformer measure and control device；（b）Determine the current method of operation of traction substation；（c）Read traction substation and haul oneself willingly into step under the current method of operation；（d）Judge whether each operating result hauled oneself willingly into step is consistent with the current state of equipment one by one, it is determined that causing to haul oneself willingly into The reason for failure；The step（a）In main transformer measure and control device include 1# main transformers measure and control device and 2# main transformer measure and control devices, 1# main transformer observing and controlling The switch motion time of device and 2# main transformer measure and control devices, haul oneself willingly into setting, hauling oneself willingly into combined floodgate logical AND, to haul oneself willingly into separating brake logic definite value complete It is exactly the same；The step（b）The method of operation of middle traction substation includes four kinds, is the method for operation one, the method for operation two, fortune respectively Line mode three and the method for operation four；The particular state of the method for operation one is：This side inlet wire is by electricity, and this side main transformer operation, offside inlet wire, offside main transformer are standby With；The particular state of the method for operation two is：This side inlet wire is by electricity, and the operation of offside main transformer, offside inlet wire, this side main transformer are standby；The particular state of the method for operation three is：Offside inlet wire is by electricity, and this side main transformer operation, this side inlet wire, offside main transformer are standby；The particular state of the method for operation four is：Offside inlet wire is by electricity, and the operation of offside main transformer, this side inlet wire, this side main transformer are standby.
- 2. Fault Quick Diagnosis method during traction substation prepared auto restart failure according to claim 1, it is characterised in that： When 1# main transformer measure and control devices identify the current method of operation of traction substation as method of operation a period of time, traction substation is by operation Mode one performs and hauls oneself willingly into logic, and accordingly, 2# main transformer measure and control devices will identify that the current method of operation of traction substation for fortune Line mode four, traction substation are performed by the method for operation four and haul oneself willingly into logic；When 1# main transformer measure and control devices identify traction substation When the current method of operation is the method for operation two, traction substation is performed by the method for operation two and hauls oneself willingly into logic, accordingly, 2# main transformers Measure and control device will identify that the current method of operation of traction substation is the method for operation three, and traction substation is held by the method for operation three Row hauls oneself willingly into logic.
- 3. Fault Quick Diagnosis method during traction substation prepared auto restart failure according to claim 1 or 2, its feature exist In：The step（d）Specific operation process be：（d1）Reported when 1# main transformers measure and control device and haul oneself willingly into failure, then opened from the first step for hauling oneself willingly into step of 2# main transformer measure and control devices Begin, judge whether be consistent with the current state of equipment per single stepping, if be not consistent, failure appears in the step；Otherwise Continue to judge next step；（d2）The execution operation for hauling oneself willingly into step when 2# main transformer measure and control devices are all is consistent with current state, then from 1# main transformer observing and controlling The first step for hauling oneself willingly into step of device starts, and judges whether be consistent with the current state of equipment per single stepping successively, if not It is consistent, then failure appears in the step；Otherwise continue to judge next step.
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| CN108964024B (en) * | 2018-06-29 | 2021-05-18 | 成都交大许继电气有限责任公司 | Backup power source automatic switching process recall analysis method for traction substation |
| CN113949061B (en) * | 2021-10-09 | 2023-06-02 | 中铁第四勘察设计院集团有限公司 | Spare power automatic switching control method for main wiring type traction substation of three main transformers of railway |
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